Rescue crews were searching on Thursday for seven people still missing days after an explosion at a fireworks warehouse in Northern California shook a tiny farming community and forced the cancellation of nearby July Fourth celebrations.

A number of municipalities across Northern California have put their Fourth of July fireworks shows on hold after the explosion at a fireworks warehouse in Esparto. Cal Fire says seven people are unaccounted for after the massive explosion at Devastating Pyrotechnics on Tuesday.

More than 130 firefighters battled a fire involving fireworks explosions that engulfed four homes in Pacoima and critically injured a woman on Thursday night, authorities said.

At least one person was injured and three homes were burned during a fireworks-related fire in Pacoima, according to the Los Angeles Fire Department.